I watched STX drop 8% in a day and refused to sell. Not because I'm smart. Because I made a rule and stuck to it. Same week I quit my side hustle for the fourth time. Weird part is, it's the same skill. Staying calm on a red day is the same muscle as showing up when nobody's watching your content flop. Nobody quits stocks after one bad day. They wait it out. But they'll quit a business after one bad week. That's not logic, that's emotion dressed up as strategy. Ten minutes a day beats ten hours of panic later.